<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
		<style>
			.box {
				/* color module */
				/* color: #ff000000; */
				background-color: transparent;
			}

			.box2 {
				opacity: 1;
			}
		</style>
	</head>
	<body>
		<div class="box">Lorem, ipsum dolor.</div>
		<div class="box2">Lorem, ipsum dolor.</div>
	</body>
</html>
